Apparatus, systems and methods for compensating infrared noise in an electronic system
First Claim
1. A method for compensation of detected infrared (IR) energy to identify an infrared energy communication signal emitted by a remote control, the method comprising:
- detecting first infrared energy at a first time using an IR signal detector of a device that is controllable by the remote control, wherein the infrared energy communication signal is absent in the detected first infrared energy;
determining compensation based on the first infrared energy;
detecting second infrared energy at a second time using the same IR signal detector of the device, wherein the second time is different from the first time, and wherein the infrared energy communication signal communicated from the remote control is present in the second infrared energy;
determining an ambient infrared energy signature based on the first infrared energy;
determining a compensation based on the ambient infrared energy signature;
andcompensating the second infrared energy based on the determined compensation.
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Accused Products
Abstract
Remote control signal detection systems and methods are operable to compensate detected infrared energy to identify an infrared energy communication signal emitted by a remote control. An exemplary embodiment detects first infrared energy, wherein the infrared energy communication signal is absent in the first infrared energy; determines compensation based on the first infrared energy; detects second infrared energy, wherein the infrared energy communication signal is present in the second infrared energy; and compensates the second infrared energy based on the determined compensation.
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Citations
18 Claims
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1. A method for compensation of detected infrared (IR) energy to identify an infrared energy communication signal emitted by a remote control, the method comprising:
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detecting first infrared energy at a first time using an IR signal detector of a device that is controllable by the remote control, wherein the infrared energy communication signal is absent in the detected first infrared energy; determining compensation based on the first infrared energy; detecting second infrared energy at a second time using the same IR signal detector of the device, wherein the second time is different from the first time, and wherein the infrared energy communication signal communicated from the remote control is present in the second infrared energy; determining an ambient infrared energy signature based on the first infrared energy; determining a compensation based on the ambient infrared energy signature; and compensating the second infrared energy based on the determined compensation. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 11)
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10. A method for compensation of detected infrared energy to identify an infrared energy communication signal emitted by a remote control, the method comprising:
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detecting first infrared energy, wherein the infrared energy communication signal is absent in the first infrared energy; determining compensation based on the first infrared energy; detecting second infrared energy, wherein the infrared energy communication signal is present in the second infrared energy; compensating the second infrared energy based on the determined compensation; detecting third infrared energy, wherein the infrared energy communication signal is absent in the third infrared energy; comparing the first infrared energy with the third infrared energy; determining second compensation based on the third infrared energy in response to a difference between the first infrared energy and the third infrared energy exceeding a threshold; detecting fourth infrared energy, wherein the infrared energy communication signal is present in the second infrared energy; and compensating the fourth infrared energy based on the determined second compensation.
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12. An infrared (IR) communication device, comprising:
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an infrared signal detector configured to detect a first infrared energy at a first time, wherein an infrared energy communication signal is absent in the first infrared energy, and configured to subsequently detect a second infrared energy at a second time, wherein the infrared energy communication signal emitted by a remote control is present in the second infrared energy; and a processor system communicatively coupled to the infrared signal detector, and wherein the processor system is configured to determine an ambient infrared energy signature based on the first infrared energy, wherein the processor system is configured to determine compensation based on the ambient infrared energy signature determined based on the first infrared energy, wherein the second infrared energy is compensated based on the determined compensation, wherein the infrared energy communication signal emitted by the remote control is determined from the compensated second infrared energy, and wherein a received program is processed in accordance with at least one instruction in the determined infrared energy communication signal. - View Dependent Claims (13, 14, 15, 16)
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17. A media system, comprising:
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a media device with an infrared detector configured to detect infrared energy, wherein the media device is configured to receive programming and configured to process the programming for presentation to a viewer; a remote control configured to communicate instructions to the media device via an infrared energy communication signal; and a media presentation device configured to present the processed programming on a display, wherein the media device is further configured to; detect first infrared energy at the infrared detector at a first time, wherein the infrared energy communication signal is absent in the first infrared energy; determine an ambient infrared energy signature based on the first infrared energy; determine compensation based on the ambient infrared energy signature determined from the first infrared energy; detect second infrared energy at the infrared detector at a second time that is different from the first time, wherein the infrared energy communication signal is present in the second infrared energy; compensate the second infrared energy based on the determined compensation; and determine the infrared energy communication signal from the compensated second infrared energy, wherein the received programming is processed in accordance with at least one instruction determined from the infrared energy communication signal. - View Dependent Claims (18)
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Specification